Nahea te 'Afio.

'Afio, ranei te okana o aroaro, ahakoa tona rahi-kokoto nei, kua he te hanganga kikokiko rawa matatini. Tutu, tenei tinana kua te āhua o te poi, e kore te mea tino tino nei, kia rite ki tona wahi mua kitea he curvature nui atu huna i te mata muri. Tenei meka whakatau nga kanohi rahi me te kanorau i roto i ngā tohutohu rerekē. Nā ki te convexity o te tinana taupoki io mārōrō-posterior o te rahi nui rawa. I te toharite, te tangata pakeke hauora, he tata ki te 24 mm ia. Tāpae me te tuaka poutū āhua ōrite: te rahi toharite o te tuaka hake o te kanohi, ko te 23.6 mm me 23.3 mm i te poutū.

Ko te hanganga o te 'Afio

Ko te okana o kite, i reira e toru anga nui e mahi mahi motuhake.

1. takotoranga waho kaiota te ranei. tāutuhia te reira e rua nga wahi, i te hunga tino Nä anatomically. Ko te wahi nui rawa o te koti kaiota no mā karu, ranei Tunica albuginea, me te toenga - ko te taupoki io. Ko te mā karu he papanga tino kore-mārama, e kua he hue repa. Mea ïa no te mea o ratou te tae, 'Afio, kua i roto i ngā kua huaina te wahi puatakore o te pūmua. I roto i te mahi haumanu, rite te teatea e taea kitea ngā āhuatanga pathological e puta i roto i te kanohi, me te i roto i te tinana kia rite ki te katoa. Na, whero o te 'Afio kia tohu mumura whakapeka i roto i te okana o whakakitenga: pīkaru, keratitis, uveitis, me ētahi atu He Tunica albuginea taunakitanga autaki kōwhaitanga o mate ate - Hepatitis. 'Afio, e whakaatu ana te mua, me te puta te taupoki io i roto i tenei wahi pania i roto i parauri, matomato puru ranei. Heoi, e kore ko te taupoki io tenei me ko kitea te iris roto reira. Ko tino taekore me mārama te taupoki io, i reira he kahore oko toto, tautau anake o mutunga karere, tuku ki reira hei te wahi tino tairongo o te tinana. Ki te māngai te 'Afio ko rite te ōrau o ngā wāhanga o tona takotoranga kaiota, ka pūkete te taupoki io mo iti iho i te 16%.
2. Toharite, kamo ranei. Ko reira pātata ki te kaiota te, engari e kore i roto i te taatoaraa o, engari anake i roto i tona wahi scleral. Hea haere mā karu ki te taupoki io, wehea ara iaia te i reira, a kua mokowā i te taupoki io. Ko te waenganui anga wehewehe e toru nga wahi: te iris, ciliary (ciliary) tinana , me kamo. Iris tavini rite te HWM, e regulates te rere luminous pa hohonu ki ona kanohi, ona hanganga svetovosprinimayuschim. regulator mahi e te tauira, e taea te whakawhānui i ka marama hē me te kuiti - i roto i tona te taikaha. he tika hoki te whakaputa i te inu intraocular tamau e hiahiatia ana mō te kai i te kanohi, o te pupuri i te reira reo i te tinana ciliary. Te kamo, choroidal ranei, kanohi whatunga iaia tuku i te hanganga ā-o te kanohi.
3. Ā-etine ranei. Ko te wahi tino nui o te okana o kite e whakautu ana ki te marama, me te whakawhiti i te mōhiohio ataata whiwhi i runga i ki te roro hanganga cortical tenei. Retina - kiko rawa kikokore, te wahine whakatarapi, e te nuinga o tāutuhia e rua ngā wāhi matua: te ciliary e whai pūtau tino rerekëtanga, me mahi optical i roto i nei enei pūtau he. Ka taea te kite i to ratou wehenga (rārangi koikoi) i roto i te akoranga o te tūhuratanga pērā i tsikloskopiya ka uiui e fundus.

Ko te 'Afio motu anga i roto i te tangiwai, e homai ana e ia he āhua porotaka āhuatanga, me te te whai wāhi i roto i te ata tāhapa, me te arotahi, whai wāhi nei i roto i te tukanga accommodative me ata tāhapa o kurupae marama.